<template>
  <div style="height:100vh;background-image:linear-gradient(135deg,#1352F2,#3C82F5);overflow: hidden;">
    <el-container style="padding: 30px;">
      <el-header>
        <el-row :gutter="10">
          <el-col :span="3">
            <img src="/imgs/login/logo.png" style="height: 50px;">
          </el-col>
          <el-col :span="1">
            <img src="/imgs/login/auto.png" style="height: 50px;">
          </el-col>
          <el-col :span="1">
            <img src="/imgs/login/verticalLine.png" style="height: 50px;">
          </el-col>
          <el-col :span="19">
            <span style="color:#fff;font-size:30px;font-weight:bold;">智慧车辆运营管理系统</span>
          </el-col>
        </el-row>
      </el-header>
      <el-main>
        <el-row :gutter="40">
          <el-col :span="16">
            <img src="/imgs/login/bg.png" style="width:100%;margin-top: 60px;">
          </el-col>
          <el-col :span="8">
            <el-card style="margin-top: 80px;">
              <h3 style="text-align: center;">用户登录</h3>
              <el-form label-position="top">
                <el-form-item label="用户名">
                  <el-input placeholder="请输入用户名" v-model="user.username"></el-input>
                </el-form-item>
                <el-form-item label="密码">
                  <el-input placeholder="请输入密码" show-password v-model="user.password"></el-input>
                </el-form-item>
                <el-form-item>
                  <el-button type="primary" style="width: 100%;" @click="login">登录</el-button>
                </el-form-item>
              </el-form>
              <div style="color:#666;text-align: center;font-size:14px;padding: 10px 0;">
                (体验账号:tom 密码:123456)
              </div>
            </el-card>
          </el-col>
        </el-row>
      </el-main>
    </el-container>
  </div>
</template>

<script setup>
import {ref} from "vue";
import axios from "axios";
import {ElMessage} from "element-plus";
import router from "@/router";

//1.定义对象用来保存用户输入的登录数据
const user = ref({username: '', password: ''});
//定义登录方法
const login = ()=>{
  console.log(user.value);
  //2.给后端服务器发送登录请求,这里需要借助axios!
  axios.post(BASE_URL+'/v1/user/login', user.value)
      .then((response)=>{
        console.log(user.value);
        //3. .then()为回调函数,可以在此函数中处理接收到的后端响应
        //response是响应对象,response.data为响应的数据
        //4.前端需要对拿到的后端响应结果做对应的处理
        if(response.data.code == 2000){
          ElMessage.success('登录成功!');
          //console.log(response.data);//JsonResult
          //console.log(response.data.data);//UserVO
          //console.log(JSON.stringify(response.data.data));字符串类型的UserVO
          /* 登录成功后,将后端返回的UserVO存入localStorage中 */
          /* localStorage维护的是字符串类型的键值对 (String Key: String Value)*/
          localStorage.setItem('user', JSON.stringify(response.data.data));
          //登录成功后会跳转至首页,router/index.js配置了会重定向到/user用户列表页
          router.push('/');
        }else{
          ElMessage.error(response.data.msg);
          user.value = {username: '', password: ''};//登录失败清空表单输入框
        }
      })
}
</script>

<style scoped>

</style>